5125821806880 has 144 divisors (see below), whose sum is σ = 17492784079680. Its totient is φ = 1366814145024.

The previous prime is 5125821806869. The next prime is 5125821806953. The reversal of 5125821806880 is 886081285215.

5125821806880 is a `hidden beast` number, since 51 + 2 + 582 + 1 + 8 + 0 + 6 + 8 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30968181 + ... + 31133259.

It is an arithmetic number, because the mean of its divisors is an integer number (121477667220).

Almost surely, 2^{5125821806880} is an apocalyptic number.

It is an amenable number.

5125821806880 is an abundant number, since it is smaller than the sum of its proper divisors (12366962272800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5125821806880 is a wasteful number, since it uses less digits than its factorization.

5125821806880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186663 (or 186652 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 54.

The spelling of 5125821806880 in words is "five trillion, one hundred twenty-five billion, eight hundred twenty-one million, eight hundred six thousand, eight hundred eighty".